THE TERMS USED IN ENTOMOLOGY. 
319 
Ulmosis, amongst elms. 
Vmbellifcris, mi umbelliferous plants in hedges and wood slues. 
KALTEK.eS (see p. 3T), poiscrs, in the Order of Diptera ; two globu- 
lar bodies placed on slender stalks behind the wings, and seated 
on the thorax; sometimes they are an arched membranaceous 
HAMULI These are very minute hooks or crotchets, discoverable 
under, a good magnifier, on the inferior wings of many Hymeno- 
pterous insects, by means of which they are kept steady in flying. 
Hast ata”h pive! in-shaped mark that is triangular ; the base and sides 
hollowed, the posterior angles spreading horizontally. 
HAUSTELLUM, a sort of trunk at the month ol insects, principally 
of the Viptera, consisting of setir, which are either inclosed in a 
bivalve sheath or without one. 
Head. See Caput. 
Hfmelytra, wings either wholly or in part formed of a substance in- 
termediate between leather and membrane. 
Hexafoda insecta, haying six feet, as in all genuine insects. 
Hyali n a, wings, elytra, &c. quite transparent. 
IMAGO, the perfect insect after having gone through the states ot 
Larva and Pupa. 
Imbiucatus, set with scales, lying over each other like the tiles of a 
house. 
Ixstita, a stria of equal breadth throughout. 
Lamrum. (See p. 28.) . . f 
LARVA, caterpillar, grub or maggot; the insect as it comes from the 
egg, slow, sterile, and voracious. 
Caudata, with a tail or horn, as in most of the Sphmgida. 
Gregaria, those larvae that live in society, many of them inclosed m 
a web. 
Nuclei, naked, not hairy. 
Polyphagu, that will eat a variety of plants. 
Subcut uncit, small caterpillars that feed within the substance of the 
leaf. 
Like a, aline, the twelfth part of an inch. 
LINGUA, the Tongue. (Seep. 29.) 
Repticatilis, the point capable of being turned back. 
Spiralis, capable of being rolled up like the spring of a watch be- 
tween the palpi. (PI- IQ- fig- ?■) 
Litura, a spot of a deeper colour in one part than another. 
Lunula, a spot shaped like a new moon. . 
Macula, a spot, larger than punefum, of an indeterminate figure, 
and of a different colour from the ground. (PI. 10. jig. 8. h.) 
